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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
reiserfs: replace open-coded atomic_dec_and_mutex_lock()
Replace the open-coded logic of atomic_dec_and_mutex_lock() in
reiserfs_file_release().
Link: https://lore.kernel.org/r/20191103094431.GA18576-nikitas.angelinas@gmail.com
Signed-off-by: Nikitas Angelinas <nikitas.angelinas@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
authored by
Nikitas Angelinas
and committed by
Jan Kara
a9913d7e
e705f4b8
+2
-8
+2
-8
fs/reiserfs/file.c
+2
-8
fs/reiserfs/file.c
···
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BUG_ON(!S_ISREG(inode->i_mode));
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-
if (atomic_add_unless(&REISERFS_I(inode)->openers, -1, 1))
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if (!atomic_dec_and_mutex_lock(&REISERFS_I(inode)->openers,
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&REISERFS_I(inode)->tailpack))
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return 0;
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-
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mutex_lock(&REISERFS_I(inode)->tailpack);
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-
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if (!atomic_dec_and_test(&REISERFS_I(inode)->openers)) {
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mutex_unlock(&REISERFS_I(inode)->tailpack);
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return 0;
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}
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/* fast out for when nothing needs to be done */
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if ((!(REISERFS_I(inode)->i_flags & i_pack_on_close_mask) ||