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[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem

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This patch converts the inode semaphore to a mutex. I have tested it on
XFS and compiled as much as one can consider on an ia64. Anyway your
luck with it might be different.

Modified-by: Ingo Molnar <[email protected]>

(finished the conversion)

Signed-off-by: Jes Sorensen <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Jes Sorensen 2006-01-09 15:59:24 -08:00 • committed by Ingo Molnar
commit 1b1dcc1b57
113 changed files with 563 additions and 573 deletions
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4
fs/fat/dir.c
View file

@ -729,13 +729,13 @@ static int fat_dir_ioctl(struct inode * inode, struct file * filp,
buf.dirent = d1;
buf.result = 0;
down(&inode->i_sem);
mutex_lock(&inode->i_mutex);
ret = -ENOENT;
if (!IS_DEADDIR(inode)) {
ret = __fat_readdir(inode, filp, &buf, fat_ioctl_filldir,
short_only, both);
}
up(&inode->i_sem);
mutex_unlock(&inode->i_mutex);
if (ret >= 0)
ret = buf.result;
return ret;

4
fs/fat/file.c
View file

@ -41,7 +41,7 @@ int fat_generic_ioctl(struct inode *inode, struct file *filp,
if (err)
return err;
down(&inode->i_sem);
mutex_lock(&inode->i_mutex);
if (IS_RDONLY(inode)) {
err = -EROFS;
@ -103,7 +103,7 @@ int fat_generic_ioctl(struct inode *inode, struct file *filp,
MSDOS_I(inode)->i_attrs = attr & ATTR_UNUSED;
mark_inode_dirty(inode);
up:
up(&inode->i_sem);
mutex_unlock(&inode->i_mutex);
return err;
}
default: