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| author | Jan Kara <jack@suse.cz> | 2012-06-12 16:20:44 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-07-31 09:45:52 +0400 |
| commit | 2c22b337b5bbb497c41b348b2357b7070ed5ba88 (patch) | |
| tree | 781ca4825fe6383254a8b8528b23115fd389c48e /fs/nilfs2/segment.c | |
| parent | fbf8fb76505a9e5bbb47e91d964105b6ea59b0ec (diff) | |
| download | linux-2c22b337b5bbb497c41b348b2357b7070ed5ba88.tar.gz linux-2c22b337b5bbb497c41b348b2357b7070ed5ba88.tar.bz2 linux-2c22b337b5bbb497c41b348b2357b7070ed5ba88.zip | |
nilfs2: Convert to new freezing mechanism
We change nilfs_page_mkwrite() to provide proper freeze protection for
writeable page faults (we must wait for frozen filesystem even if the
page is fully mapped).
We remove all vfs_check_frozen() checks since they are now handled by
the generic code.
CC: linux-nilfs@vger.kernel.org
CC: KONISHI Ryusuke <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/nilfs2/segment.c')
| -rw-r--r-- | fs/nilfs2/segment.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 88e11fb346b6..a5752a589932 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -189,7 +189,7 @@ int nilfs_transaction_begin(struct super_block *sb, if (ret > 0) return 0; - vfs_check_frozen(sb, SB_FREEZE_WRITE); + sb_start_intwrite(sb); nilfs = sb->s_fs_info; down_read(&nilfs->ns_segctor_sem); @@ -205,6 +205,7 @@ int nilfs_transaction_begin(struct super_block *sb, current->journal_info = ti->ti_save; if (ti->ti_flags & NILFS_TI_DYNAMIC_ALLOC) kmem_cache_free(nilfs_transaction_cachep, ti); + sb_end_intwrite(sb); return ret; } @@ -246,6 +247,7 @@ int nilfs_transaction_commit(struct super_block *sb) err = nilfs_construct_segment(sb); if (ti->ti_flags & NILFS_TI_DYNAMIC_ALLOC) kmem_cache_free(nilfs_transaction_cachep, ti); + sb_end_intwrite(sb); return err; } @@ -264,6 +266,7 @@ void nilfs_transaction_abort(struct super_block *sb) current->journal_info = ti->ti_save; if (ti->ti_flags & NILFS_TI_DYNAMIC_ALLOC) kmem_cache_free(nilfs_transaction_cachep, ti); + sb_end_intwrite(sb); } void nilfs_relax_pressure_in_lock(struct super_block *sb) |