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| author | Jan Kara <jack@suse.cz> | 2012-06-12 16:20:46 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-07-31 09:45:53 +0400 |
| commit | 1e8b212fe5dcee9d3dbb152d235f3c33458fb26e (patch) | |
| tree | c21036f86f455c6289704b35c58c8d01d7821f12 /fs/ext2/inode.c | |
| parent | b2b5ef5c8e89f19b68c174bf246f3ca212dbf0bc (diff) | |
| download | linux-1e8b212fe5dcee9d3dbb152d235f3c33458fb26e.tar.gz linux-1e8b212fe5dcee9d3dbb152d235f3c33458fb26e.tar.bz2 linux-1e8b212fe5dcee9d3dbb152d235f3c33458fb26e.zip | |
ext2: Implement freezing
The only missing piece to make freezing work reliably with ext2 is to
stop iput() of unlinked inode from deleting the inode on frozen filesystem.
So add a necessary protection to ext2_evict_inode().
We also provide appropriate ->freeze_fs and ->unfreeze_fs functions.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ext2/inode.c')
| -rw-r--r-- | fs/ext2/inode.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 264d315f6c47..6363ac66fafa 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -79,6 +79,7 @@ void ext2_evict_inode(struct inode * inode) truncate_inode_pages(&inode->i_data, 0); if (want_delete) { + sb_start_intwrite(inode->i_sb); /* set dtime */ EXT2_I(inode)->i_dtime = get_seconds(); mark_inode_dirty(inode); @@ -98,8 +99,10 @@ void ext2_evict_inode(struct inode * inode) if (unlikely(rsv)) kfree(rsv); - if (want_delete) + if (want_delete) { ext2_free_inode(inode); + sb_end_intwrite(inode->i_sb); + } } typedef struct { |