The patch titled
fs: anon_inodes implement dname
has been added to the -mm tree. Its filename is
fs-anon_inodes-implement-dname.patch
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------------------------------------------------------
Subject: fs: anon_inodes implement dname
From: Nick Piggin <npiggin@xxxxxxx>
Add a d_dname method for anon_inodes filesystem, the same way pipefs and
sockfs pseudo filesystems. This allows us to remove the DCACHE_UNHASHED
hack from anon_inodes.c (see next patch).
Signed-off-by: Nick Piggin <npiggin@xxxxxxx>
Cc: Miklos Szeredi <mszeredi@xxxxxxx>
Cc: Davide Libenzi <davidel@xxxxxxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Jens Axboe <jens.axboe@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/anon_inodes.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff -puN fs/anon_inodes.c~fs-anon_inodes-implement-dname fs/anon_inodes.c
--- a/fs/anon_inodes.c~fs-anon_inodes-implement-dname
+++ a/fs/anon_inodes.c
@@ -45,6 +45,15 @@ static int anon_inodefs_delete_dentry(st
return 1;
}
+/*
+ * anon_inodefs_dname() is called from d_path().
+ */
+static char *anon_inodefs_dname(struct dentry *dentry, char *buffer, int buflen)
+{
+ return dynamic_dname(dentry, buffer, buflen, "anon_inode:%s",
+ dentry->d_name.name, dentry->d_inode->i_ino);
+}
+
static struct file_system_type anon_inode_fs_type = {
.name = "anon_inodefs",
.get_sb = anon_inodefs_get_sb,
@@ -52,6 +61,7 @@ static struct file_system_type anon_inod
};
static const struct dentry_operations anon_inodefs_dentry_operations = {
.d_delete = anon_inodefs_delete_dentry,
+ .d_dname = anon_inodefs_dname,
};
/*
_
Patches currently in -mm which might be from npiggin@xxxxxxx are
linux-next.patch
fs-anon_inodes-implement-dname.patch
fs-remove-unneeded-dcache_unhashed-tricks.patch
fs-improve-remountro-vs-buffercache-coherency.patch
mm-define-page_mapping_flags.patch
mm-mlocking-in-try_to_unmap_one.patch
mm-mlocking-in-try_to_unmap_one-fix.patch
mm-mlocking-in-try_to_unmap_one-fix-fix.patch
mm-config_mmu-for-pg_mlocked.patch
mm-pass-address-down-to-rmap-ones.patch
mm-stop-ptlock-enlarging-struct-page.patch
mm-sigbus-instead-of-abusing-oom.patch
ipc-semc-sem-optimise-undo-list-search.patch
ipc-semc-sem-use-list-operations.patch
ipc-semc-sem-preempt-improve.patch
ipc-semc-optimize-if-semops-fail.patch
ipc-semc-add-a-per-semaphore-pending-list.patch
ipc-semc-optimize-single-semop-operations.patch
ipc-semc-optimize-single-sops-when-semval-is-zero.patch
reiser4.patch
fs-symlink-write_begin-allocation-context-fix-reiser4-fix.patch
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