mirror of https://gitee.com/openkylin/linux.git
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull UDF and quota updates from Jan Kara: "A few UDF fixes and also a few patches which are preparing filesystems for support of project quotas in VFS" * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: udf: Fix loading of special inodes ocfs2: Back out change to use OCFS2_MAXQUOTAS in ocfs2_setattr() udf: remove redundant sys_tz declaration ocfs2: Don't use MAXQUOTAS value reiserfs: Don't use MAXQUOTAS value ext3: Don't use MAXQUOTAS value udf: Fix race between write(2) and close(2)
This commit is contained in:
commit
ac0c49396d
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@ -237,6 +237,8 @@ struct ext3_new_group_data {
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#define EXT3_IOC32_GETVERSION_OLD FS_IOC32_GETVERSION
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#define EXT3_IOC32_SETVERSION_OLD FS_IOC32_SETVERSION
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/* Number of supported quota types */
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#define EXT3_MAXQUOTAS 2
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/*
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* Mount options
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@ -248,7 +250,7 @@ struct ext3_mount_options {
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unsigned long s_commit_interval;
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#ifdef CONFIG_QUOTA
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int s_jquota_fmt;
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char *s_qf_names[MAXQUOTAS];
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char *s_qf_names[EXT3_MAXQUOTAS];
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#endif
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};
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@ -669,7 +671,7 @@ struct ext3_sb_info {
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unsigned long s_commit_interval;
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struct block_device *journal_bdev;
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#ifdef CONFIG_QUOTA
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char *s_qf_names[MAXQUOTAS]; /* Names of quota files with journalled quota */
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char *s_qf_names[EXT3_MAXQUOTAS]; /* Names of quota files with journalled quota */
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int s_jquota_fmt; /* Format of quota to use */
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#endif
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};
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@ -1183,9 +1185,9 @@ extern const struct inode_operations ext3_fast_symlink_inode_operations;
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#define EXT3_QUOTA_INIT_BLOCKS(sb) 0
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#define EXT3_QUOTA_DEL_BLOCKS(sb) 0
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#endif
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#define EXT3_MAXQUOTAS_TRANS_BLOCKS(sb) (MAXQUOTAS*EXT3_QUOTA_TRANS_BLOCKS(sb))
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#define EXT3_MAXQUOTAS_INIT_BLOCKS(sb) (MAXQUOTAS*EXT3_QUOTA_INIT_BLOCKS(sb))
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#define EXT3_MAXQUOTAS_DEL_BLOCKS(sb) (MAXQUOTAS*EXT3_QUOTA_DEL_BLOCKS(sb))
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#define EXT3_MAXQUOTAS_TRANS_BLOCKS(sb) (EXT3_MAXQUOTAS*EXT3_QUOTA_TRANS_BLOCKS(sb))
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#define EXT3_MAXQUOTAS_INIT_BLOCKS(sb) (EXT3_MAXQUOTAS*EXT3_QUOTA_INIT_BLOCKS(sb))
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#define EXT3_MAXQUOTAS_DEL_BLOCKS(sb) (EXT3_MAXQUOTAS*EXT3_QUOTA_DEL_BLOCKS(sb))
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int
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ext3_mark_iloc_dirty(handle_t *handle,
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@ -441,7 +441,7 @@ static void ext3_put_super (struct super_block * sb)
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percpu_counter_destroy(&sbi->s_dirs_counter);
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brelse(sbi->s_sbh);
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#ifdef CONFIG_QUOTA
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for (i = 0; i < MAXQUOTAS; i++)
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for (i = 0; i < EXT3_MAXQUOTAS; i++)
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kfree(sbi->s_qf_names[i]);
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#endif
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@ -1555,7 +1555,7 @@ static void ext3_orphan_cleanup (struct super_block * sb,
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/* Needed for iput() to work correctly and not trash data */
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sb->s_flags |= MS_ACTIVE;
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/* Turn on quotas so that they are updated correctly */
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for (i = 0; i < MAXQUOTAS; i++) {
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for (i = 0; i < EXT3_MAXQUOTAS; i++) {
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if (EXT3_SB(sb)->s_qf_names[i]) {
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int ret = ext3_quota_on_mount(sb, i);
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if (ret < 0)
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@ -1606,7 +1606,7 @@ static void ext3_orphan_cleanup (struct super_block * sb,
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PLURAL(nr_truncates));
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#ifdef CONFIG_QUOTA
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/* Turn quotas off */
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for (i = 0; i < MAXQUOTAS; i++) {
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for (i = 0; i < EXT3_MAXQUOTAS; i++) {
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if (sb_dqopt(sb)->files[i])
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dquot_quota_off(sb, i);
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}
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@ -2139,7 +2139,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
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kfree(sbi->s_group_desc);
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failed_mount:
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#ifdef CONFIG_QUOTA
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for (i = 0; i < MAXQUOTAS; i++)
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for (i = 0; i < EXT3_MAXQUOTAS; i++)
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kfree(sbi->s_qf_names[i]);
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#endif
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ext3_blkdev_remove(sbi);
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@ -2659,7 +2659,7 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
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old_opts.s_commit_interval = sbi->s_commit_interval;
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#ifdef CONFIG_QUOTA
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old_opts.s_jquota_fmt = sbi->s_jquota_fmt;
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for (i = 0; i < MAXQUOTAS; i++)
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for (i = 0; i < EXT3_MAXQUOTAS; i++)
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if (sbi->s_qf_names[i]) {
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old_opts.s_qf_names[i] = kstrdup(sbi->s_qf_names[i],
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GFP_KERNEL);
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@ -2763,7 +2763,7 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
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}
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#ifdef CONFIG_QUOTA
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/* Release old quota file names */
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for (i = 0; i < MAXQUOTAS; i++)
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for (i = 0; i < EXT3_MAXQUOTAS; i++)
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kfree(old_opts.s_qf_names[i]);
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#endif
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if (enable_quota)
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@ -2777,7 +2777,7 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
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sbi->s_commit_interval = old_opts.s_commit_interval;
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#ifdef CONFIG_QUOTA
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sbi->s_jquota_fmt = old_opts.s_jquota_fmt;
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for (i = 0; i < MAXQUOTAS; i++) {
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for (i = 0; i < EXT3_MAXQUOTAS; i++) {
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kfree(sbi->s_qf_names[i]);
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sbi->s_qf_names[i] = old_opts.s_qf_names[i];
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}
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@ -1252,7 +1252,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
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brelse(bh);
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/* Release quota pointers in case we acquired them */
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for (qtype = 0; qtype < MAXQUOTAS; qtype++)
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for (qtype = 0; qtype < OCFS2_MAXQUOTAS; qtype++)
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dqput(transfer_to[qtype]);
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if (!status && attr->ia_valid & ATTR_MODE) {
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@ -17,6 +17,9 @@
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#include "ocfs2.h"
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/* Number of quota types we support */
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#define OCFS2_MAXQUOTAS 2
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/*
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* In-memory structures
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*/
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@ -39,7 +42,7 @@ struct ocfs2_recovery_chunk {
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};
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struct ocfs2_quota_recovery {
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struct list_head r_list[MAXQUOTAS]; /* List of chunks to recover */
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struct list_head r_list[OCFS2_MAXQUOTAS]; /* List of chunks to recover */
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};
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/* In-memory structure with quota header information */
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@ -336,8 +336,8 @@ void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex)
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int ocfs2_global_read_info(struct super_block *sb, int type)
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{
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struct inode *gqinode = NULL;
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unsigned int ino[MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE,
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GROUP_QUOTA_SYSTEM_INODE };
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unsigned int ino[OCFS2_MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE,
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GROUP_QUOTA_SYSTEM_INODE };
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struct ocfs2_global_disk_dqinfo dinfo;
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struct mem_dqinfo *info = sb_dqinfo(sb, type);
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struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv;
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@ -166,12 +166,12 @@ static int ocfs2_read_quota_block(struct inode *inode, u64 v_block,
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/* Check whether we understand format of quota files */
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static int ocfs2_local_check_quota_file(struct super_block *sb, int type)
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{
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unsigned int lmagics[MAXQUOTAS] = OCFS2_LOCAL_QMAGICS;
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unsigned int lversions[MAXQUOTAS] = OCFS2_LOCAL_QVERSIONS;
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unsigned int gmagics[MAXQUOTAS] = OCFS2_GLOBAL_QMAGICS;
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unsigned int gversions[MAXQUOTAS] = OCFS2_GLOBAL_QVERSIONS;
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unsigned int ino[MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE,
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GROUP_QUOTA_SYSTEM_INODE };
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unsigned int lmagics[OCFS2_MAXQUOTAS] = OCFS2_LOCAL_QMAGICS;
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unsigned int lversions[OCFS2_MAXQUOTAS] = OCFS2_LOCAL_QVERSIONS;
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unsigned int gmagics[OCFS2_MAXQUOTAS] = OCFS2_GLOBAL_QMAGICS;
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unsigned int gversions[OCFS2_MAXQUOTAS] = OCFS2_GLOBAL_QVERSIONS;
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unsigned int ino[OCFS2_MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE,
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GROUP_QUOTA_SYSTEM_INODE };
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struct buffer_head *bh = NULL;
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struct inode *linode = sb_dqopt(sb)->files[type];
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struct inode *ginode = NULL;
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@ -336,7 +336,7 @@ void ocfs2_free_quota_recovery(struct ocfs2_quota_recovery *rec)
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{
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int type;
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for (type = 0; type < MAXQUOTAS; type++)
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for (type = 0; type < OCFS2_MAXQUOTAS; type++)
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free_recovery_list(&(rec->r_list[type]));
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kfree(rec);
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}
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@ -382,7 +382,7 @@ static struct ocfs2_quota_recovery *ocfs2_alloc_quota_recovery(void)
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rec = kmalloc(sizeof(struct ocfs2_quota_recovery), GFP_NOFS);
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if (!rec)
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return NULL;
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for (type = 0; type < MAXQUOTAS; type++)
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for (type = 0; type < OCFS2_MAXQUOTAS; type++)
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INIT_LIST_HEAD(&(rec->r_list[type]));
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return rec;
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}
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@ -392,10 +392,11 @@ struct ocfs2_quota_recovery *ocfs2_begin_quota_recovery(
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struct ocfs2_super *osb,
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int slot_num)
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{
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unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
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OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
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unsigned int ino[MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE,
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LOCAL_GROUP_QUOTA_SYSTEM_INODE };
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unsigned int feature[OCFS2_MAXQUOTAS] = {
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OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
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OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
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unsigned int ino[OCFS2_MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE,
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LOCAL_GROUP_QUOTA_SYSTEM_INODE };
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struct super_block *sb = osb->sb;
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struct ocfs2_local_disk_dqinfo *ldinfo;
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struct inode *lqinode;
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@ -412,7 +413,7 @@ struct ocfs2_quota_recovery *ocfs2_begin_quota_recovery(
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return ERR_PTR(-ENOMEM);
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/* First init... */
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for (type = 0; type < MAXQUOTAS; type++) {
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for (type = 0; type < OCFS2_MAXQUOTAS; type++) {
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if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
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continue;
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/* At this point, journal of the slot is already replayed so
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@ -589,8 +590,8 @@ int ocfs2_finish_quota_recovery(struct ocfs2_super *osb,
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struct ocfs2_quota_recovery *rec,
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int slot_num)
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{
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unsigned int ino[MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE,
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LOCAL_GROUP_QUOTA_SYSTEM_INODE };
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unsigned int ino[OCFS2_MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE,
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LOCAL_GROUP_QUOTA_SYSTEM_INODE };
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struct super_block *sb = osb->sb;
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struct ocfs2_local_disk_dqinfo *ldinfo;
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struct buffer_head *bh;
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|
@ -604,7 +605,7 @@ int ocfs2_finish_quota_recovery(struct ocfs2_super *osb,
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"slot %u\n", osb->dev_str, slot_num);
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|
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mutex_lock(&sb_dqopt(sb)->dqonoff_mutex);
|
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for (type = 0; type < MAXQUOTAS; type++) {
|
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for (type = 0; type < OCFS2_MAXQUOTAS; type++) {
|
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if (list_empty(&(rec->r_list[type])))
|
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continue;
|
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trace_ocfs2_finish_quota_recovery(slot_num);
|
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|
|
|
@ -899,11 +899,12 @@ static int ocfs2_susp_quotas(struct ocfs2_super *osb, int unsuspend)
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|||
{
|
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int type;
|
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struct super_block *sb = osb->sb;
|
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unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
|
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OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
|
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unsigned int feature[OCFS2_MAXQUOTAS] = {
|
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OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
|
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OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
|
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int status = 0;
|
||||
|
||||
for (type = 0; type < MAXQUOTAS; type++) {
|
||||
for (type = 0; type < OCFS2_MAXQUOTAS; type++) {
|
||||
if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
|
||||
continue;
|
||||
if (unsuspend)
|
||||
|
@ -927,17 +928,19 @@ static int ocfs2_susp_quotas(struct ocfs2_super *osb, int unsuspend)
|
|||
|
||||
static int ocfs2_enable_quotas(struct ocfs2_super *osb)
|
||||
{
|
||||
struct inode *inode[MAXQUOTAS] = { NULL, NULL };
|
||||
struct inode *inode[OCFS2_MAXQUOTAS] = { NULL, NULL };
|
||||
struct super_block *sb = osb->sb;
|
||||
unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
|
||||
OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
|
||||
unsigned int ino[MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE,
|
||||
unsigned int feature[OCFS2_MAXQUOTAS] = {
|
||||
OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
|
||||
OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
|
||||
unsigned int ino[OCFS2_MAXQUOTAS] = {
|
||||
LOCAL_USER_QUOTA_SYSTEM_INODE,
|
||||
LOCAL_GROUP_QUOTA_SYSTEM_INODE };
|
||||
int status;
|
||||
int type;
|
||||
|
||||
sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE | DQUOT_NEGATIVE_USAGE;
|
||||
for (type = 0; type < MAXQUOTAS; type++) {
|
||||
for (type = 0; type < OCFS2_MAXQUOTAS; type++) {
|
||||
if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
|
||||
continue;
|
||||
inode[type] = ocfs2_get_system_file_inode(osb, ino[type],
|
||||
|
@ -952,12 +955,12 @@ static int ocfs2_enable_quotas(struct ocfs2_super *osb)
|
|||
goto out_quota_off;
|
||||
}
|
||||
|
||||
for (type = 0; type < MAXQUOTAS; type++)
|
||||
for (type = 0; type < OCFS2_MAXQUOTAS; type++)
|
||||
iput(inode[type]);
|
||||
return 0;
|
||||
out_quota_off:
|
||||
ocfs2_disable_quotas(osb);
|
||||
for (type = 0; type < MAXQUOTAS; type++)
|
||||
for (type = 0; type < OCFS2_MAXQUOTAS; type++)
|
||||
iput(inode[type]);
|
||||
mlog_errno(status);
|
||||
return status;
|
||||
|
@ -972,7 +975,7 @@ static void ocfs2_disable_quotas(struct ocfs2_super *osb)
|
|||
|
||||
/* We mostly ignore errors in this function because there's not much
|
||||
* we can do when we see them */
|
||||
for (type = 0; type < MAXQUOTAS; type++) {
|
||||
for (type = 0; type < OCFS2_MAXQUOTAS; type++) {
|
||||
if (!sb_has_quota_loaded(sb, type))
|
||||
continue;
|
||||
/* Cancel periodic syncing before we grab dqonoff_mutex */
|
||||
|
@ -993,8 +996,9 @@ static void ocfs2_disable_quotas(struct ocfs2_super *osb)
|
|||
/* Handle quota on quotactl */
|
||||
static int ocfs2_quota_on(struct super_block *sb, int type, int format_id)
|
||||
{
|
||||
unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
|
||||
OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
|
||||
unsigned int feature[OCFS2_MAXQUOTAS] = {
|
||||
OCFS2_FEATURE_RO_COMPAT_USRQUOTA,
|
||||
OCFS2_FEATURE_RO_COMPAT_GRPQUOTA};
|
||||
|
||||
if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))
|
||||
return -EINVAL;
|
||||
|
|
|
@ -506,6 +506,9 @@ typedef struct reiserfs_proc_info_data {
|
|||
} reiserfs_proc_info_data_t;
|
||||
#endif
|
||||
|
||||
/* Number of quota types we support */
|
||||
#define REISERFS_MAXQUOTAS 2
|
||||
|
||||
/* reiserfs union of in-core super block data */
|
||||
struct reiserfs_sb_info {
|
||||
/* Buffer containing the super block */
|
||||
|
@ -615,7 +618,7 @@ struct reiserfs_sb_info {
|
|||
spinlock_t old_work_lock; /* protects old_work and work_queued */
|
||||
|
||||
#ifdef CONFIG_QUOTA
|
||||
char *s_qf_names[MAXQUOTAS];
|
||||
char *s_qf_names[REISERFS_MAXQUOTAS];
|
||||
int s_jquota_fmt;
|
||||
#endif
|
||||
char *s_jdev; /* Stored jdev for mount option showing */
|
||||
|
|
|
@ -206,7 +206,7 @@ static int finish_unfinished(struct super_block *s)
|
|||
#ifdef CONFIG_QUOTA
|
||||
int i;
|
||||
int ms_active_set;
|
||||
int quota_enabled[MAXQUOTAS];
|
||||
int quota_enabled[REISERFS_MAXQUOTAS];
|
||||
#endif
|
||||
|
||||
/* compose key to look for "save" links */
|
||||
|
@ -227,7 +227,7 @@ static int finish_unfinished(struct super_block *s)
|
|||
s->s_flags |= MS_ACTIVE;
|
||||
}
|
||||
/* Turn on quotas so that they are updated correctly */
|
||||
for (i = 0; i < MAXQUOTAS; i++) {
|
||||
for (i = 0; i < REISERFS_MAXQUOTAS; i++) {
|
||||
quota_enabled[i] = 1;
|
||||
if (REISERFS_SB(s)->s_qf_names[i]) {
|
||||
int ret;
|
||||
|
@ -370,7 +370,7 @@ static int finish_unfinished(struct super_block *s)
|
|||
#ifdef CONFIG_QUOTA
|
||||
/* Turn quotas off */
|
||||
reiserfs_write_unlock(s);
|
||||
for (i = 0; i < MAXQUOTAS; i++) {
|
||||
for (i = 0; i < REISERFS_MAXQUOTAS; i++) {
|
||||
if (sb_dqopt(s)->files[i] && quota_enabled[i])
|
||||
dquot_quota_off(s, i);
|
||||
}
|
||||
|
@ -1360,7 +1360,7 @@ static void handle_quota_files(struct super_block *s, char **qf_names,
|
|||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < MAXQUOTAS; i++) {
|
||||
for (i = 0; i < REISERFS_MAXQUOTAS; i++) {
|
||||
if (qf_names[i] != REISERFS_SB(s)->s_qf_names[i])
|
||||
kfree(REISERFS_SB(s)->s_qf_names[i]);
|
||||
REISERFS_SB(s)->s_qf_names[i] = qf_names[i];
|
||||
|
@ -1381,7 +1381,7 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
|
|||
struct reiserfs_journal *journal = SB_JOURNAL(s);
|
||||
char *new_opts = kstrdup(arg, GFP_KERNEL);
|
||||
int err;
|
||||
char *qf_names[MAXQUOTAS];
|
||||
char *qf_names[REISERFS_MAXQUOTAS];
|
||||
unsigned int qfmt = 0;
|
||||
#ifdef CONFIG_QUOTA
|
||||
int i;
|
||||
|
@ -1400,7 +1400,7 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
|
|||
(s, arg, &mount_options, &blocks, NULL, &commit_max_age,
|
||||
qf_names, &qfmt)) {
|
||||
#ifdef CONFIG_QUOTA
|
||||
for (i = 0; i < MAXQUOTAS; i++)
|
||||
for (i = 0; i < REISERFS_MAXQUOTAS; i++)
|
||||
if (qf_names[i] != REISERFS_SB(s)->s_qf_names[i])
|
||||
kfree(qf_names[i]);
|
||||
#endif
|
||||
|
@ -1844,7 +1844,7 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
|
|||
char *jdev_name;
|
||||
struct reiserfs_sb_info *sbi;
|
||||
int errval = -EINVAL;
|
||||
char *qf_names[MAXQUOTAS] = {};
|
||||
char *qf_names[REISERFS_MAXQUOTAS] = {};
|
||||
unsigned int qfmt = 0;
|
||||
|
||||
save_mount_options(s, data);
|
||||
|
@ -2169,7 +2169,7 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
|
|||
#ifdef CONFIG_QUOTA
|
||||
{
|
||||
int j;
|
||||
for (j = 0; j < MAXQUOTAS; j++)
|
||||
for (j = 0; j < REISERFS_MAXQUOTAS; j++)
|
||||
kfree(qf_names[j]);
|
||||
}
|
||||
#endif
|
||||
|
|
|
@ -223,11 +223,18 @@ long udf_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
|
|||
|
||||
static int udf_release_file(struct inode *inode, struct file *filp)
|
||||
{
|
||||
if (filp->f_mode & FMODE_WRITE) {
|
||||
if (filp->f_mode & FMODE_WRITE &&
|
||||
atomic_read(&inode->i_writecount) > 1) {
|
||||
/*
|
||||
* Grab i_mutex to avoid races with writes changing i_size
|
||||
* while we are running.
|
||||
*/
|
||||
mutex_lock(&inode->i_mutex);
|
||||
down_write(&UDF_I(inode)->i_data_sem);
|
||||
udf_discard_prealloc(inode);
|
||||
udf_truncate_tail_extent(inode);
|
||||
up_write(&UDF_I(inode)->i_data_sem);
|
||||
mutex_unlock(&inode->i_mutex);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
|
|
@ -1277,7 +1277,7 @@ int udf_setsize(struct inode *inode, loff_t newsize)
|
|||
*/
|
||||
#define UDF_MAX_ICB_NESTING 1024
|
||||
|
||||
static int udf_read_inode(struct inode *inode)
|
||||
static int udf_read_inode(struct inode *inode, bool hidden_inode)
|
||||
{
|
||||
struct buffer_head *bh = NULL;
|
||||
struct fileEntry *fe;
|
||||
|
@ -1436,8 +1436,11 @@ static int udf_read_inode(struct inode *inode)
|
|||
|
||||
link_count = le16_to_cpu(fe->fileLinkCount);
|
||||
if (!link_count) {
|
||||
ret = -ESTALE;
|
||||
goto out;
|
||||
if (!hidden_inode) {
|
||||
ret = -ESTALE;
|
||||
goto out;
|
||||
}
|
||||
link_count = 1;
|
||||
}
|
||||
set_nlink(inode, link_count);
|
||||
|
||||
|
@ -1826,7 +1829,8 @@ static int udf_update_inode(struct inode *inode, int do_sync)
|
|||
return err;
|
||||
}
|
||||
|
||||
struct inode *udf_iget(struct super_block *sb, struct kernel_lb_addr *ino)
|
||||
struct inode *__udf_iget(struct super_block *sb, struct kernel_lb_addr *ino,
|
||||
bool hidden_inode)
|
||||
{
|
||||
unsigned long block = udf_get_lb_pblock(sb, ino, 0);
|
||||
struct inode *inode = iget_locked(sb, block);
|
||||
|
@ -1839,7 +1843,7 @@ struct inode *udf_iget(struct super_block *sb, struct kernel_lb_addr *ino)
|
|||
return inode;
|
||||
|
||||
memcpy(&UDF_I(inode)->i_location, ino, sizeof(struct kernel_lb_addr));
|
||||
err = udf_read_inode(inode);
|
||||
err = udf_read_inode(inode, hidden_inode);
|
||||
if (err < 0) {
|
||||
iget_failed(inode);
|
||||
return ERR_PTR(err);
|
||||
|
|
|
@ -959,7 +959,7 @@ struct inode *udf_find_metadata_inode_efe(struct super_block *sb,
|
|||
addr.logicalBlockNum = meta_file_loc;
|
||||
addr.partitionReferenceNum = partition_num;
|
||||
|
||||
metadata_fe = udf_iget(sb, &addr);
|
||||
metadata_fe = udf_iget_special(sb, &addr);
|
||||
|
||||
if (IS_ERR(metadata_fe)) {
|
||||
udf_warn(sb, "metadata inode efe not found\n");
|
||||
|
@ -1020,7 +1020,7 @@ static int udf_load_metadata_files(struct super_block *sb, int partition)
|
|||
udf_debug("Bitmap file location: block = %d part = %d\n",
|
||||
addr.logicalBlockNum, addr.partitionReferenceNum);
|
||||
|
||||
fe = udf_iget(sb, &addr);
|
||||
fe = udf_iget_special(sb, &addr);
|
||||
if (IS_ERR(fe)) {
|
||||
if (sb->s_flags & MS_RDONLY)
|
||||
udf_warn(sb, "bitmap inode efe not found but it's ok since the disc is mounted read-only\n");
|
||||
|
@ -1119,7 +1119,7 @@ static int udf_fill_partdesc_info(struct super_block *sb,
|
|||
};
|
||||
struct inode *inode;
|
||||
|
||||
inode = udf_iget(sb, &loc);
|
||||
inode = udf_iget_special(sb, &loc);
|
||||
if (IS_ERR(inode)) {
|
||||
udf_debug("cannot load unallocSpaceTable (part %d)\n",
|
||||
p_index);
|
||||
|
@ -1154,7 +1154,7 @@ static int udf_fill_partdesc_info(struct super_block *sb,
|
|||
};
|
||||
struct inode *inode;
|
||||
|
||||
inode = udf_iget(sb, &loc);
|
||||
inode = udf_iget_special(sb, &loc);
|
||||
if (IS_ERR(inode)) {
|
||||
udf_debug("cannot load freedSpaceTable (part %d)\n",
|
||||
p_index);
|
||||
|
@ -1198,7 +1198,7 @@ static void udf_find_vat_block(struct super_block *sb, int p_index,
|
|||
vat_block >= map->s_partition_root &&
|
||||
vat_block >= start_block - 3; vat_block--) {
|
||||
ino.logicalBlockNum = vat_block - map->s_partition_root;
|
||||
inode = udf_iget(sb, &ino);
|
||||
inode = udf_iget_special(sb, &ino);
|
||||
if (!IS_ERR(inode)) {
|
||||
sbi->s_vat_inode = inode;
|
||||
break;
|
||||
|
|
|
@ -138,7 +138,18 @@ extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *,
|
|||
/* file.c */
|
||||
extern long udf_ioctl(struct file *, unsigned int, unsigned long);
|
||||
/* inode.c */
|
||||
extern struct inode *udf_iget(struct super_block *, struct kernel_lb_addr *);
|
||||
extern struct inode *__udf_iget(struct super_block *, struct kernel_lb_addr *,
|
||||
bool hidden_inode);
|
||||
static inline struct inode *udf_iget_special(struct super_block *sb,
|
||||
struct kernel_lb_addr *ino)
|
||||
{
|
||||
return __udf_iget(sb, ino, true);
|
||||
}
|
||||
static inline struct inode *udf_iget(struct super_block *sb,
|
||||
struct kernel_lb_addr *ino)
|
||||
{
|
||||
return __udf_iget(sb, ino, false);
|
||||
}
|
||||
extern int udf_expand_file_adinicb(struct inode *);
|
||||
extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *);
|
||||
extern struct buffer_head *udf_bread(struct inode *, int, int, int *);
|
||||
|
|
|
@ -81,8 +81,6 @@ static time_t year_seconds[MAX_YEAR_SECONDS] = {
|
|||
/*2038*/ SPY(68, 17, 0)
|
||||
};
|
||||
|
||||
extern struct timezone sys_tz;
|
||||
|
||||
#define SECS_PER_HOUR (60 * 60)
|
||||
#define SECS_PER_DAY (SECS_PER_HOUR * 24)
|
||||
|
||||
|
|
Loading…
Reference in New Issue