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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2018-07-09 23:27:33 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-09-11 23:59:47 -0400 |
| commit | 771eb4fe8b420bb8563863e242861e635c742bc2 (patch) | |
| tree | 4c334be7512dae987d72506da8b0c8974bbe85fd /fs/dcache.c | |
| parent | 2b69987be575b92adb6c177679f3c559134f0d8f (diff) | |
| download | linux-771eb4fe8b420bb8563863e242861e635c742bc2.tar.gz linux-771eb4fe8b420bb8563863e242861e635c742bc2.tar.bz2 linux-771eb4fe8b420bb8563863e242861e635c742bc2.zip | |
fs: factor out d_mark_tmpfile()
New helper for bcachefs - bcachefs doesn't want the
inode_dec_link_count() call that d_tmpfile does, it handles i_nlink on
its own atomically with other btree updates
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Christian Brauner <brauner@kernel.org>
Cc: linux-fsdevel@vger.kernel.org
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/dcache.c')
| -rw-r--r-- | fs/dcache.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index 25ac74d30bff..796e23761ba0 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -3246,11 +3246,10 @@ void d_genocide(struct dentry *parent) d_walk(parent, parent, d_genocide_kill); } -void d_tmpfile(struct file *file, struct inode *inode) +void d_mark_tmpfile(struct file *file, struct inode *inode) { struct dentry *dentry = file->f_path.dentry; - inode_dec_link_count(inode); BUG_ON(dentry->d_name.name != dentry->d_iname || !hlist_unhashed(&dentry->d_u.d_alias) || !d_unlinked(dentry)); @@ -3260,6 +3259,15 @@ void d_tmpfile(struct file *file, struct inode *inode) (unsigned long long)inode->i_ino); spin_unlock(&dentry->d_lock); spin_unlock(&dentry->d_parent->d_lock); +} +EXPORT_SYMBOL(d_mark_tmpfile); + +void d_tmpfile(struct file *file, struct inode *inode) +{ + struct dentry *dentry = file->f_path.dentry; + + inode_dec_link_count(inode); + d_mark_tmpfile(file, inode); d_instantiate(dentry, inode); } EXPORT_SYMBOL(d_tmpfile); |