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coda: Convert to separately allocated bdi

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Allocate struct backing_dev_info separately instead of embedding it
inside the superblock. This unifies handling of bdi among users.

CC: Jan Harkes <[email protected]>
CC: [email protected]
CC: [email protected]
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Jan Kara 2017-04-12 12:24:38 +02:00 • committed by Jens Axboe
commit a5695a7908
2 changed files with 4 additions and 8 deletions
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11
fs/coda/inode.c
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@ -183,10 +183,6 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent)
goto unlock_out;
}
error = bdi_setup_and_register(&vc->bdi, "coda");
if (error)
goto unlock_out;
vc->vc_sb = sb;
mutex_unlock(&vc->vc_mutex);
@ -197,7 +193,10 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent)
sb->s_magic = CODA_SUPER_MAGIC;
sb->s_op = &coda_super_operations;
sb->s_d_op = &coda_dentry_operations;
sb->s_bdi = &vc->bdi;
error = super_setup_bdi(sb);
if (error)
goto error;
/* get root fid from Venus: this needs the root inode */
error = venus_rootfid(sb, &fid);
@ -228,7 +227,6 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent)
error:
mutex_lock(&vc->vc_mutex);
bdi_destroy(&vc->bdi);
vc->vc_sb = NULL;
sb->s_fs_info = NULL;
unlock_out:
@ -240,7 +238,6 @@ static void coda_put_super(struct super_block *sb)
{
struct venus_comm *vcp = coda_vcp(sb);
mutex_lock(&vcp->vc_mutex);
bdi_destroy(&vcp->bdi);
vcp->vc_sb = NULL;
sb->s_fs_info = NULL;
mutex_unlock(&vcp->vc_mutex);