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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 10:52:56 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 10:52:56 -0700 |
| commit | 092e0e7e520a1fca03e13c9f2d157432a8657ff2 (patch) | |
| tree | 451897252c4c08c4b5a8ef535da156f1e817e80b /fs/read_write.c | |
| parent | 79f14b7c56d3b3ba58f8b43d1f70b9b71477a800 (diff) | |
| parent | 776c163b1b93c8dfa5edba885bc2bfbc2d228a5f (diff) | |
| download | linux-092e0e7e520a1fca03e13c9f2d157432a8657ff2.tar.bz2 | |
Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
* 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl:
vfs: make no_llseek the default
vfs: don't use BKL in default_llseek
llseek: automatically add .llseek fop
libfs: use generic_file_llseek for simple_attr
mac80211: disallow seeks in minstrel debug code
lirc: make chardev nonseekable
viotape: use noop_llseek
raw: use explicit llseek file operations
ibmasmfs: use generic_file_llseek
spufs: use llseek in all file operations
arm/omap: use generic_file_llseek in iommu_debug
lkdtm: use generic_file_llseek in debugfs
net/wireless: use generic_file_llseek in debugfs
drm: use noop_llseek
Diffstat (limited to 'fs/read_write.c')
| -rw-r--r-- | fs/read_write.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/read_write.c b/fs/read_write.c index 74e36586e4d3..e757ef26e4ce 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -124,7 +124,7 @@ loff_t default_llseek(struct file *file, loff_t offset, int origin) { loff_t retval; - lock_kernel(); + mutex_lock(&file->f_dentry->d_inode->i_mutex); switch (origin) { case SEEK_END: offset += i_size_read(file->f_path.dentry->d_inode); @@ -145,7 +145,7 @@ loff_t default_llseek(struct file *file, loff_t offset, int origin) retval = offset; } out: - unlock_kernel(); + mutex_unlock(&file->f_dentry->d_inode->i_mutex); return retval; } EXPORT_SYMBOL(default_llseek); @@ -156,7 +156,6 @@ loff_t vfs_llseek(struct file *file, loff_t offset, int origin) fn = no_llseek; if (file->f_mode & FMODE_LSEEK) { - fn = default_llseek; if (file->f_op && file->f_op->llseek) fn = file->f_op->llseek; } |