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Eric Dumazet c23fbb6bcb VFS: delay the dentry name generation on sockets and pipes ... 1) Introduces a new method in 'struct dentry_operations'. This method called d_dname() might be called from d_path() to build a pathname for special filesystems. It is called without locks. Future patches (if we succeed in having one common dentry for all pipes/sockets) may need to change prototype of this method, but we now use : char *d_dname(struct dentry *dentry, char *buffer, int buflen); 2) Adds a dynamic_dname() helper function that eases d_dname() implementations 3) Defines d_dname method for sockets : No more sprintf() at socket creation. This is delayed up to the moment someone does an access to /proc/pid/fd/... 4) Defines d_dname method for pipes : No more sprintf() at pipe creation. This is delayed up to the moment someone does an access to /proc/pid/fd/... A benchmark consisting of 1.000.000 calls to pipe()/close()/close() gives a *nice* speedup on my Pentium(M) 1.6 Ghz : 3.090 s instead of 3.450 s Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Acked-by: Christoph Hellwig <hch@infradead.org> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		18 years ago
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configfs	…
00-INDEX	9p: implement optional loose read cache	18 years ago
9p.txt	9p: implement optional loose read cache	18 years ago
Exporting	…
Locking	VFS: delay the dentry name generation on sockets and pipes	18 years ago
adfs.txt	…
affs.txt	…
afs.txt	[AFS]: Update the AFS fs documentation.	18 years ago
automount-support.txt	…
befs.txt	…
bfs.txt	[PATCH] update Tigran's email addresses	18 years ago
cifs.txt	…
coda.txt	…
cramfs.txt	…
dentry-locking.txt	…
directory-locking	…
dlmfs.txt	…
ext2.txt	…
ext3.txt	…
ext4.txt	…
files.txt	…
fuse.txt	[PATCH] fuse: fix typo	18 years ago
gfs2.txt	…
hfs.txt	…
hpfs.txt	…
inotify.txt	…
isofs.txt	…
jfs.txt	…
ncpfs.txt	…
ntfs.txt	NTFS: 2.1.28 - Fix deadlock reported by Sergey Vlasov due to ntfs_put_inode().	18 years ago
ocfs2.txt	…
porting	…
proc.txt	proc: maps protection	18 years ago
ramfs-rootfs-initramfs.txt	…
relay.txt	[PATCH] Relay: add CPU hotplug support	18 years ago
romfs.txt	…
smbfs.txt	…
spufs.txt	…
sysfs-pci.txt	Fix typos concerning hierarchy	18 years ago
sysfs.txt	…
sysv-fs.txt	…
tmpfs.txt	…
udf.txt	…
ufs.txt	[PATCH] ufs2 write: mount as rw	18 years ago
vfat.txt	…
vfs.txt	VFS: delay the dentry name generation on sockets and pipes	18 years ago
xfs.txt	…
xip.txt	…