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take bdi setup/destruction into cifs_mount/cifs_umount 

Acked-by: Pavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2011-06-17 08:24:42 -04:00
parent 5629937872
commit dd85446619
2 changed files with 11 additions and 11 deletions
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12
fs/cifs/cifsfs.c
View File

@ -116,18 +116,12 @@ cifs_read_super(struct super_block *sb, struct smb_vol *volume_info,
spin_lock_init(&cifs_sb->tlink_tree_lock);
cifs_sb->tlink_tree = RB_ROOT;
rc = bdi_setup_and_register(&cifs_sb->bdi, "cifs", BDI_CAP_MAP_COPY);
if (rc)
return rc;
cifs_sb->bdi.ra_pages = default_backing_dev_info.ra_pages;
rc = cifs_mount(sb, cifs_sb, volume_info, devname);
if (rc) {
if (!silent)
cERROR(1, "cifs_mount failed w/return code = %d", rc);
goto out_mount_failed;
return rc;
}
sb->s_magic = CIFS_MAGIC_NUMBER;
@ -171,9 +165,6 @@ cifs_read_super(struct super_block *sb, struct smb_vol *volume_info,
iput(inode);
cifs_umount(sb, cifs_sb);
out_mount_failed:
bdi_destroy(&cifs_sb->bdi);
return rc;
}
@ -199,7 +190,6 @@ cifs_put_super(struct super_block *sb)
}
unload_nls(cifs_sb->local_nls);
bdi_destroy(&cifs_sb->bdi);
kfree(cifs_sb);
}

10
fs/cifs/connect.c
View File

@ -2983,6 +2983,13 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
struct tcon_link *tlink;
#ifdef CONFIG_CIFS_DFS_UPCALL
int referral_walks_count = 0;
rc = bdi_setup_and_register(&cifs_sb->bdi, "cifs", BDI_CAP_MAP_COPY);
if (rc)
return rc;
cifs_sb->bdi.ra_pages = default_backing_dev_info.ra_pages;
try_mount_again:
/* cleanup activities if we're chasing a referral */
if (referral_walks_count) {
@ -3007,6 +3014,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
srvTcp = cifs_get_tcp_session(volume_info);
if (IS_ERR(srvTcp)) {
rc = PTR_ERR(srvTcp);
bdi_destroy(&cifs_sb->bdi);
goto out;
}
@ -3161,6 +3169,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
cifs_put_smb_ses(pSesInfo);
else
cifs_put_tcp_session(srvTcp);
bdi_destroy(&cifs_sb->bdi);
goto out;
}
@ -3357,6 +3366,7 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
}
spin_unlock(&cifs_sb->tlink_tree_lock);
bdi_destroy(&cifs_sb->bdi);
return 0;
}