Messages in this thread Patch in this message | | | Subject | [RFC][PATCH 08/27] increment sb writer count when nlink hits zero | From | Dave Hansen <> | Date | Wed, 12 Jul 2006 11:17:15 -0700 |
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When a file is unlinked, there will soon be a write to the filesystem. Note this, and disallow remounts to r/o during the time when this write is pending.
Signed-off-by: Dave Hansen <haveblue@us.ibm.com> ---
lxc-dave/fs/libfs.c | 1 + 1 files changed, 1 insertion(+)
diff -puN fs/libfs.c~C-inc-sb-writer-count-on-dec-nlink-to-zero fs/libfs.c --- lxc/fs/libfs.c~C-inc-sb-writer-count-on-dec-nlink-to-zero 2006-07-12 11:09:23.000000000 -0700 +++ lxc-dave/fs/libfs.c 2006-07-12 11:09:25.000000000 -0700 @@ -276,6 +276,7 @@ void inode_drop_nlink(struct inode *inod if (inode->i_nlink) return; inode->i_state |= I_WRITING_ON_SB; + atomic_inc(&inode->i_sb->s_mnt_writers); } int simple_unlink(struct inode *dir, struct dentry *dentry) _ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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