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ext4: do not polute the extents cache while shifting extents

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am: e0b53d6729

Change-Id: I31462a97e306c198855f17663b856e3e97867f97
This commit is contained in:
Roman Pen
2017-03-12 08:21:25 +00:00
committed by android-build-merger
parent ad34246322 e0b53d6729
commit 04715e80ad
1 changed files with 6 additions and 3 deletions
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9
fs/ext4/extents.c
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@@ -5344,7 +5344,8 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
ext4_lblk_t stop, *iterator, ex_start, ex_end;
/* Let path point to the last extent */
path = ext4_find_extent(inode, EXT_MAX_BLOCKS - 1, NULL, 0);
path = ext4_find_extent(inode, EXT_MAX_BLOCKS - 1, NULL,
EXT4_EX_NOCACHE);
if (IS_ERR(path))
return PTR_ERR(path);
@@ -5360,7 +5361,8 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
* sure the hole is big enough to accommodate the shift.
*/
if (SHIFT == SHIFT_LEFT) {
path = ext4_find_extent(inode, start - 1, &path, 0);
path = ext4_find_extent(inode, start - 1, &path,
EXT4_EX_NOCACHE);
if (IS_ERR(path))
return PTR_ERR(path);
depth = path->p_depth;
@@ -5398,7 +5400,8 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
* becomes NULL to indicate the end of the loop.
*/
while (iterator && start <= stop) {
path = ext4_find_extent(inode, *iterator, &path, 0);
path = ext4_find_extent(inode, *iterator, &path,
EXT4_EX_NOCACHE);
if (IS_ERR(path))
return PTR_ERR(path);
depth = path->p_depth;