From 99e6f829a854daa6d56006cad51156e98863e73a Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Mon, 28 Jan 2008 23:58:27 -0500 Subject: ext4: Introduce ext4_update_*_feature Introduce ext4_update_*_feature and use them instead of opencoding. Signed-off-by: Aneesh Kumar K.V --- fs/ext4/super.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) (limited to 'fs/ext4/super.c') diff --git a/fs/ext4/super.c b/fs/ext4/super.c index df8842b43544..4d7f33f79552 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -373,6 +373,66 @@ void ext4_update_dynamic_rev(struct super_block *sb) */ } +int ext4_update_compat_feature(handle_t *handle, + struct super_block *sb, __u32 compat) +{ + int err = 0; + if (!EXT4_HAS_COMPAT_FEATURE(sb, compat)) { + err = ext4_journal_get_write_access(handle, + EXT4_SB(sb)->s_sbh); + if (err) + return err; + EXT4_SET_COMPAT_FEATURE(sb, compat); + sb->s_dirt = 1; + handle->h_sync = 1; + BUFFER_TRACE(EXT4_SB(sb)->s_sbh, + "call ext4_journal_dirty_met adata"); + err = ext4_journal_dirty_metadata(handle, + EXT4_SB(sb)->s_sbh); + } + return err; +} + +int ext4_update_rocompat_feature(handle_t *handle, + struct super_block *sb, __u32 rocompat) +{ + int err = 0; + if (!EXT4_HAS_RO_COMPAT_FEATURE(sb, rocompat)) { + err = ext4_journal_get_write_access(handle, + EXT4_SB(sb)->s_sbh); + if (err) + return err; + EXT4_SET_RO_COMPAT_FEATURE(sb, rocompat); + sb->s_dirt = 1; + handle->h_sync = 1; + BUFFER_TRACE(EXT4_SB(sb)->s_sbh, + "call ext4_journal_dirty_met adata"); + err = ext4_journal_dirty_metadata(handle, + EXT4_SB(sb)->s_sbh); + } + return err; +} + +int ext4_update_incompat_feature(handle_t *handle, + struct super_block *sb, __u32 incompat) +{ + int err = 0; + if (!EXT4_HAS_INCOMPAT_FEATURE(sb, incompat)) { + err = ext4_journal_get_write_access(handle, + EXT4_SB(sb)->s_sbh); + if (err) + return err; + EXT4_SET_INCOMPAT_FEATURE(sb, incompat); + sb->s_dirt = 1; + handle->h_sync = 1; + BUFFER_TRACE(EXT4_SB(sb)->s_sbh, + "call ext4_journal_dirty_met adata"); + err = ext4_journal_dirty_metadata(handle, + EXT4_SB(sb)->s_sbh); + } + return err; +} + /* * Open the external journal device */ -- cgit v1.2.2