On 02/02/2017 07:34 PM, Jan Kara wrote: > Allocate struct backing_dev_info separately instead of embedding it > inside the superblock. This unifies handling of bdi among users. > > CC: Boaz Harrosh <[email protected]> > CC: Benny Halevy <[email protected]> > CC: [email protected]
ACK-by: Boaz Harrosh <[email protected]> Looks fine thanks > Signed-off-by: Jan Kara <[email protected]> > --- > fs/exofs/exofs.h | 1 - > fs/exofs/super.c | 17 ++++++----------- > 2 files changed, 6 insertions(+), 12 deletions(-) > > diff --git a/fs/exofs/exofs.h b/fs/exofs/exofs.h > index 2e86086bc940..5dc392404559 100644 > --- a/fs/exofs/exofs.h > +++ b/fs/exofs/exofs.h > @@ -64,7 +64,6 @@ struct exofs_dev { > * our extension to the in-memory superblock > */ > struct exofs_sb_info { > - struct backing_dev_info bdi; /* register our bdi with VFS */ > struct exofs_sb_stats s_ess; /* Written often, pre-allocate*/ > int s_timeout; /* timeout for OSD operations */ > uint64_t s_nextid; /* highest object ID used */ > diff --git a/fs/exofs/super.c b/fs/exofs/super.c > index 1076a4233b39..819624cfc8da 100644 > --- a/fs/exofs/super.c > +++ b/fs/exofs/super.c > @@ -464,7 +464,6 @@ static void exofs_put_super(struct super_block *sb) > sbi->one_comp.obj.partition); > > exofs_sysfs_sb_del(sbi); > - bdi_destroy(&sbi->bdi); > exofs_free_sbi(sbi); > sb->s_fs_info = NULL; > } > @@ -809,8 +808,12 @@ static int exofs_fill_super(struct super_block *sb, void > *data, int silent) > __sbi_read_stats(sbi); > > /* set up operation vectors */ > - sbi->bdi.ra_pages = __ra_pages(&sbi->layout); > - sb->s_bdi = &sbi->bdi; > + ret = super_setup_bdi(sb); > + if (ret) { > + EXOFS_DBGMSG("Failed to super_setup_bdi\n"); > + goto free_sbi; > + } > + sb->s_bdi->ra_pages = __ra_pages(&sbi->layout); > sb->s_fs_info = sbi; > sb->s_op = &exofs_sops; > sb->s_export_op = &exofs_export_ops; > @@ -836,14 +839,6 @@ static int exofs_fill_super(struct super_block *sb, void > *data, int silent) > goto free_sbi; > } > > - ret = bdi_setup_and_register(&sbi->bdi, "exofs"); > - if (ret) { > - EXOFS_DBGMSG("Failed to bdi_setup_and_register\n"); > - dput(sb->s_root); > - sb->s_root = NULL; > - goto free_sbi; > - } > - > exofs_sysfs_dbg_print(); > _exofs_print_device("Mounting", opts->dev_name, > ore_comp_dev(&sbi->oc, 0), >
