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authorDave Hansen <haveblue@us.ibm.com>2006-09-30 23:29:03 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-01 00:39:30 -0700
commit9a53c3a783c2fa9b969628e65695c11c3e51e673 (patch)
tree5a6115e18ee105246d46e3db3d5b07749d232f5b /fs/coda/dir.c
parentaab520e2f6c80160cabd187a8d0292d1cec8ff68 (diff)
[PATCH] r/o bind mounts: unlink: monitor i_nlink
When a filesystem decrements i_nlink to zero, it means that a write must be performed in order to drop the inode from the filesystem. We're shortly going to have keep filesystems from being remounted r/o between the time that this i_nlink decrement and that write occurs. So, add a little helper function to do the decrements. We'll tie into it in a bit to note when i_nlink hits zero. Signed-off-by: Dave Hansen <haveblue@us.ibm.com> Acked-by: Christoph Hellwig <hch@lst.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/coda/dir.c')
-rw-r--r--fs/coda/dir.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index 8651ea6a23b..0a2fd8bb757 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -367,7 +367,7 @@ int coda_unlink(struct inode *dir, struct dentry *de)
}
coda_dir_changed(dir, 0);
- de->d_inode->i_nlink--;
+ drop_nlink(de->d_inode);
unlock_kernel();
return 0;
@@ -394,7 +394,7 @@ int coda_rmdir(struct inode *dir, struct dentry *de)
}
coda_dir_changed(dir, -1);
- de->d_inode->i_nlink--;
+ drop_nlink(de->d_inode);
d_delete(de);
unlock_kernel();