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Merge branch 'locks-3.20' of git://git.samba.org/jlayton/linux into for-3.20

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Christoph's block pnfs patches have some minor dependencies on these
lock patches.
This commit is contained in:
J. Bruce Fields
2015-02-02 11:29:29 -05:00
parent 4c94e13e9c 8116bf4cb6
commit a584143b01
328 changed files with 3755 additions and 2123 deletions
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26
fs/lockd/svcsubs.c
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@@ -164,12 +164,15 @@ nlm_traverse_locks(struct nlm_host *host, struct nlm_file *file,
{
struct inode *inode = nlmsvc_file_inode(file);
struct file_lock *fl;
struct file_lock_context *flctx = inode->i_flctx;
struct nlm_host *lockhost;
if (!flctx || list_empty_careful(&flctx->flc_posix))
return 0;
again:
file->f_locks = 0;
spin_lock(&inode->i_lock);
for (fl = inode->i_flock; fl; fl = fl->fl_next) {
spin_lock(&flctx->flc_lock);
list_for_each_entry(fl, &flctx->flc_posix, fl_list) {
if (fl->fl_lmops != &nlmsvc_lock_operations)
continue;
@@ -180,7 +183,7 @@ again:
if (match(lockhost, host)) {
struct file_lock lock = *fl;
spin_unlock(&inode->i_lock);
spin_unlock(&flctx->flc_lock);
lock.fl_type = F_UNLCK;
lock.fl_start = 0;
lock.fl_end = OFFSET_MAX;
@@ -192,7 +195,7 @@ again:
goto again;
}
}
spin_unlock(&inode->i_lock);
spin_unlock(&flctx->flc_lock);
return 0;
}
@@ -223,18 +226,21 @@ nlm_file_inuse(struct nlm_file *file)
{
struct inode *inode = nlmsvc_file_inode(file);
struct file_lock *fl;
struct file_lock_context *flctx = inode->i_flctx;
if (file->f_count || !list_empty(&file->f_blocks) || file->f_shares)
return 1;
spin_lock(&inode->i_lock);
for (fl = inode->i_flock; fl; fl = fl->fl_next) {
if (fl->fl_lmops == &nlmsvc_lock_operations) {
spin_unlock(&inode->i_lock);
return 1;
if (flctx && !list_empty_careful(&flctx->flc_posix)) {
spin_lock(&flctx->flc_lock);
list_for_each_entry(fl, &flctx->flc_posix, fl_list) {
if (fl->fl_lmops == &nlmsvc_lock_operations) {
spin_unlock(&flctx->flc_lock);
return 1;
}
}
spin_unlock(&flctx->flc_lock);
}
spin_unlock(&inode->i_lock);
file->f_locks = 0;
return 0;
}