This patch is not a bug fix, but useful to increase performance:
dazukofs reports open events for all kind of files. But this does
mainly make sense for regular files (who wants to check
fifos for malware?).
Thus a simple check ensures that only open events for regular
files are announced to userspace.
(On my system a simple "find" command executed in /usr which was
mounted with dazukofs resulted in over 90000 context switches -
only caused by opening directories..)
Geschäftsführender Gesellschafter: Tjark Auerbach
Sitz der Gesellschaft: Tettnang
Handelsregister: Amtsgericht Ulm, HRB 630992
ALLGEMEINE GESCHÄFTSBEDINGUNGEN
Es gelten unsere Allgemeinen Geschäftsbedingungen
(AGB). Sie finden sie in der jeweils gültigen Fassung
im Internet unter http://www.avira.de/agb
***************************************************
diff -rup dazukofs-3.0.0-p4/file.c dazukofs-3.0.0-p5/file.c
--- dazukofs-3.0.0-p4/file.c 2009-03-15 19:07:06.000000000 +0100
+++ dazukofs-3.0.0-p5/file.c 2009-03-15 19:26:14.000000000 +0100
@@ -177,9 +177,11 @@ static int dazukofs_open(struct inode *i
struct file *lower_file;
int err;
- err = dazukofs_check_access(file->f_dentry, file->f_vfsmnt);
- if (err)
- goto error_out1;
+ if (S_ISREG(inode->i_mode)) {
+ err = dazukofs_check_access(file->f_dentry, file->f_vfsmnt);
+ if (err)
+ goto error_out1;
+ }
SET_FILE_INFO(file, kmem_cache_zalloc(dazukofs_file_info_cachep,
GFP_KERNEL));
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